In old English law. One who has been thrice married ; one who, at different times and successively, has had three wives; a trigamist 3 Inst. 8a
TRIGAMUS
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.
In old English law. One who has been thrice married ; one who, at different times and successively, has had three wives; a trigamist 3 Inst. 8a